[Photo Reviews for WooCommerce] Customizing email template

Hello,
I am interested in buying Photo Reviews for WooCommerce plugin. I installed free version of this plugin and Woocommerce Email Template Customizer and looks like it fulfil all my requirements but i am not sure about one. In your documentation Documentation (Compatibility > WooCommerce Email Template Customizer) you show that there are two templates which are implemented by default for coupon email and reminder email, but i cannot see it in list of sample templates. Is it premium feature only or what?